/*
* Conditions Of Use 
* 
* This software was developed by employees of the National Institute of
* Standards and Technology (NIST), an agency of the Federal Government.
* Pursuant to title 15 Untied States Code Section 105, works of NIST
* employees are not subject to copyright protection in the United States
* and are considered to be in the public domain.  As a result, a formal
* license is not needed to use the software.
* 
* This software is provided by NIST as a service and is expressly
* provided "AS IS."  NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED
* OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT
* AND DATA ACCURACY.  NIST does not warrant or make any representations
* regarding the use of the software or the results thereof, including but
* not limited to the correctness, accuracy, reliability or usefulness of
* the software.
* 
* Permission to use this software is contingent upon your acceptance
* of the terms of this agreement
*  
* .
* 
*/
/*******************************************************************************
* Product of NIST/ITL Advanced Networking Technologies Division (ANTD).        *
*******************************************************************************/
package gov.nist.javax.sdp.fields;
import gov.nist.core.*;
import java.util.ListIterator;
import java.util.Iterator;
import java.util.LinkedList;
import java.lang.reflect.*;

public class SDPObjectList extends GenericObjectList {
	protected static final String SDPFIELDS_PACKAGE =
		PackageNames.SDP_PACKAGE + ".fields";

	/** 
	 * Do a merge of the GenericObjects contained in this list with the 
	 * GenericObjects in the mergeList. Note that this does an inplace 
	 * modification of the given list. This does an object by object 
	 * merge of the given objects.
	 *
	 *@param mergeList is the list of Generic objects that we want to do 
	 * an object by object merge with. Note that no new objects are
	 * added to this list.
	 *
	 */

	public void mergeObjects(GenericObjectList mergeList) {
		
		Iterator<GenericObject> it1 = this.listIterator();
		Iterator<GenericObject> it2 = mergeList.listIterator();
		while (it1.hasNext()) {
			GenericObject outerObj = (GenericObject) it1.next();
			while (it2.hasNext()) {
				Object innerObj = it2.next();
				outerObj.merge(innerObj);
			}
		}
	}

	/**
	 * Add an sdp object to this list.
	 */
	public void add(SDPObject s) {
		super.add(s);
	}

	/**
	 * Get the input text of the sdp object (from which the object was
	 * generated).
	 */

	public SDPObjectList(String lname, String classname) {
		super(lname, classname);
	}

	public SDPObjectList() {
		super(null, SDPObject.class);
	}

	public SDPObjectList(String lname) {
		super(lname, SDPFIELDS_PACKAGE + ".SDPObject");
	}

	public GenericObject first() {
		return (SDPObject) super.first();
	}

	public GenericObject next() {
		return (SDPObject) super.next();
	}

	

	public String encode() {
		StringBuffer retval = new StringBuffer();
		SDPObject sdpObject;
		for (sdpObject = (SDPObject) this.first();
			sdpObject != null;
			sdpObject = (SDPObject) this.next()) {
			retval.append (sdpObject.encode());
		}
		return retval.toString();
	}

	public String toString() {
		return this.encode();
	}


}

